Kirk Hammett recently unveiled his signature KH103 amp, which in the vein of Randall’s other massive head the 667, has 120 watts of power and 9 (!) preamp tubes. It has 3 channels, each with completely independent volume, gain, and EQ controls, two assignable FX loops, and two master volumes.
And here’s Kirk giving you a more, uh, flavorful rundown: